<div class="modal">
  <div class="modal-header">
    &nbsp;&nbsp;
    <h3 class="pull-left">平台选择</h3>
    <button type="button" class="btn btn-danger pull-right hide">重新检测</button>
  </div>
  <div class="modal-body">
    正在加载......
  </div>
  <div class="modal-footer">
    <button type="button" class="btn btn-primary disabled">下一步</button>
  </div>
</div>